CN215772835U - Novel motor heat dissipation fan blade - Google Patents
Novel motor heat dissipation fan blade Download PDFInfo
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- CN215772835U CN215772835U CN202122014706.1U CN202122014706U CN215772835U CN 215772835 U CN215772835 U CN 215772835U CN 202122014706 U CN202122014706 U CN 202122014706U CN 215772835 U CN215772835 U CN 215772835U
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Abstract
A novel motor radiating fan blade comprises a guide seat and blades, wherein the guide seat comprises a front end plane and a plurality of guide parts which are uniformly distributed on the circumference by taking the axis of the guide seat as the center; the flow guide part comprises a flow guide surface, and a section and a connecting surface which are respectively connected with the left side and the right side of the flow guide part of the flow guide surface; the blades are uniformly distributed on the flow guide surface by taking the axis of the flow guide seat as a center and the circumference; each blade comprises a blade root edge, a linear lower edge, an arc-shaped upper edge and an arc-shaped front edge, wherein the blade root edge is connected with the flow guide surface, and the arc-shaped front edge is positioned at the tail end of the outer side of the blade and is used for connecting the lower edge with the upper edge. The utility model discloses a, through the blade to the flabellum and the guide holder structure improve and optimize, not only promoted the collection wind effect and the intake of flabellum, need not additionally to increase the slider in blade department moreover on the mould, can realize the holistic drawing of patterns of flabellum to reduce the holistic size of mould, greatly reduced the manufacturing cost of mould manufacturing cost and flabellum.
Description
Technical Field
The utility model relates to the technical field of ventilation, in particular to a novel motor radiating fan blade.
Background
The existing fan blade for motor heat dissipation generates larger wind resistance when rotating due to the limitation of structural design, and the generated air flow is more dispersed, so that the problems of insufficient wind power concentration and small air volume occur;
in addition, in the prior art, in order to improve the wind collecting effect and increase the wind quantity of the fan blades, the blades are usually designed to be in a spiral structure, but because the blades of the structure and the fan blades formed by the guide bases in the bowl-shaped structures are arranged, in the processing process, the blades can only realize demoulding by designing the sliding blocks on the mould, so that the mould cost is greatly increased, the whole mould is relatively large, and the production cost is increased.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide the novel motor radiating fan blade which is simple in structure, reasonable in design, concentrated in wind power and large in air volume, reduces the overall size of a die and greatly reduces the die cost and the production cost.
The technical scheme adopted by the utility model is as follows:
a novel motor radiating fan blade comprises a guide seat 1 and blades 2, and is characterized in that the guide seat 1 comprises a front end plane 11 and a plurality of guide parts 12 which are uniformly distributed on the outer side of the front end plane 11 by taking the axis of the guide seat 1 as a central circumference; the flow guide part 12 comprises a flow guide surface 121, and a section 122 and a connecting surface 123 which are respectively connected with the left side and the right side of the flow guide part 12; the section 122 is a plane and is perpendicular to the excircle tangent of the front end plane 11; the connecting surface 123 is a plane and is perpendicular to the cross section 122;
the flow guide surface 121 is an arc surface structure, one end of the flow guide surface close to the front end plane 11 is connected with the front end plane 11, and the other end of the flow guide surface extends in the direction far away from the front end plane 11; the distance between the flow guide surface 121 and the axis of the flow guide seat 1 gradually increases from the connecting surface 123 to the section 122;
the left side of the connecting surface 123 is connected with the right side of the flow guide surface 121; the right side of the connecting surface 123 is connected with the adjacent cross section 122;
the connecting surface 123 and the cross section 122 are arranged parallel to the axis of the front end plane 11;
the blades 2 are circumferentially and uniformly distributed on the flow guide surface 121 by taking the axis of the flow guide seat 1 as a center; the flow guide surface 121 is disposed corresponding to the blade 2.
Each blade 2 comprises a root edge 21 connected with the flow guide surface 121, a linear lower edge 22, an arc-shaped upper edge 23 and an arc-shaped front edge 24 positioned at the outer tail end of the blade 2 to connect the lower edge 22 with the upper edge 23; a lower blade tip 25 is arranged between the upper edge 23 and the lower edge 22; an upper blade tip 26 is arranged between the upper edge 23 and the front edge 24; the upper blade tip 26 and the lower blade tip 25 are arc-shaped;
the blade 2 further comprises a windward side 27 and a leeward side 28; the windward side 27 and the leeward side 28 are circular arc surfaces.
Preferably, the horizontal distance c1 between the connection point a of the root edge 21 and the lower edge 22 and the cross section 122 is 1.0mm to 2.0mm, taking the bottom view of the deflector base 1 as the view direction; the connection point of the root edge 21 and the upper edge 23 is located at the connection point of the flow guide surface 121 and the connection surface 123.
Preferably, c1 is 1.5 mm.
Preferably, taking the top view of the flow guide seat 1 as a view direction, an included angle between a tangent line L1 of the root edge 21 and a tangent line L2 of the lower edge 22 is a1, and a1 ranges from 50 ° to 70 °; an included angle between a tangent line L1 of the root edge 21 and a tangent line L3 of the upper edge 23 is a2, and a2 is 2a 1;
taking the front view of the guide seat 1 as a view direction, an included angle between a tangent line L3 of the upper edge 23 and the axis of the guide seat 1 is a3, and a3 ranges from 50 degrees to 70 degrees; an included angle between a tangent line L4 of the front edge 24 and the axis of the flow guide seat 1 is a4, and the range of a4 is 40-45 degrees; the lower edge 22 is arranged perpendicular to the axis of the deflector base 1.
Preferably, said a1 is 55 °; said a2 is 110 °; the a3 is 65 °.
Preferably, the distance between two adjacent upper edges 23 gradually increases in the direction away from the root edge 21; the distance between two adjacent lower edges 22 gradually increases towards the direction far away from the blade root edge 21; the distance between two adjacent blades 2 increases along the direction from the upper edge 23 to the lower edge 22 of the root edge 21.
Preferably, the length of the upper edge 23 is 2 times the length of the lower edge 22.
Preferably, the number of the blades 2 is 5.
Preferably, the outer diameter of the fan blade is 30 mm-100 mm.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model discloses a, simple structure, reasonable in design improves and optimizes through blade and the water conservancy diversion seat structure to the flabellum, has not only promoted the collection wind effect and the intake of flabellum, need not additionally to increase the slider in blade department in addition on the mould, can realize the holistic drawing of patterns of flabellum to reduce the holistic size of mould, greatly reduced the manufacturing cost of mould manufacturing cost and flabellum.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a second schematic perspective view of the present invention;
FIG. 3 is a bottom view of the present invention;
FIG. 4 is a top view of the present invention;
FIG. 5 is a front view of the present invention;
wherein: the guide vane comprises a guide vane seat 1, a vane 2, a front end plane 11, a guide part 12, a vane root edge 21, a lower edge 22, an upper edge 23, a front edge 24, a lower vane tip 25, an upper vane tip 26, a windward side 27, a leeward side 28, a guide surface 121, a cross section 122 and a connecting surface 123.
Detailed Description
To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "front," "back," "left," "right," "up," "down," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The utility model will be further described with reference to the accompanying drawings and the detailed description below:
as shown in fig. 1-5, a novel motor heat dissipation fan blade includes a flow guide seat 1 and blades 2, and is characterized in that the flow guide seat 1 includes a front end plane 11 and a plurality of flow guide portions 12 uniformly distributed on the outer side of the front end plane 11 around the axis of the flow guide seat 1; the flow guide part 12 comprises a flow guide surface 121, and a section 122 and a connecting surface 123 which are respectively connected with the left side and the right side of the flow guide part 12; the section 122 is a plane and is perpendicular to the excircle tangent of the front end plane 11; the connecting surface 123 is a plane and is perpendicular to the cross section 122;
the flow guide surface 121 is an arc surface structure, one end of the flow guide surface close to the front end plane 11 is connected with the front end plane 11, and the other end of the flow guide surface extends in the direction far away from the front end plane 11; the distance between the flow guide surface 121 and the axis of the flow guide seat 1 gradually increases from the connecting surface 123 to the section 122;
the left side of the connecting surface 123 is connected with the right side of the flow guide surface 121; the right side of the connecting surface 123 is connected with the adjacent cross section 122;
the connecting surface 123 and the cross section 122 are arranged parallel to the axis of the front end plane 11;
the blades 2 are circumferentially and uniformly distributed on the flow guide surface 121 by taking the axis of the flow guide seat 1 as a center; the flow guide surface 121 is disposed corresponding to the blade 2.
In this embodiment, the flow guide seat 1 is composed of a front end plane 11 and a plurality of flow guide parts 12 distributed in a circumferential array with the axis of the front end plane 11 as the center; because the surface of the flow guide seat is composed of a plurality of flow guide parts 12, and the plurality of flow guide parts 12 are composed of flow guide surfaces, end surfaces and connecting surfaces, a plurality of fall surfaces are formed on the surface of the flow guide seat; so that the air duct between two adjacent blades 2 also forms a fall surface; the fall surface consists of a flow guide surface 121 positioned on the windward side 27 of one of the blades 1 and a flow guide surface 121 positioned on the leeward side 28 of the other blade 1; when the fan blades rotate, airflow is guided from the upper edges 23 of two adjacent blades 2 and then enters the air channel, and the airflow firstly passes through the air channel on the windward side 27 and then passes through the air channel on the leeward side 28; because the air duct is of a drop surface structure, the air collecting area is increased, and the air guiding effect is improved.
Each blade 2 comprises a root edge 21 connected with the flow guide surface 121, a linear lower edge 22, an arc-shaped upper edge 23 and an arc-shaped front edge 24 positioned at the outer tail end of the blade 2 to connect the lower edge 22 with the upper edge 23; a lower blade tip 25 is arranged between the upper edge 23 and the lower edge 22; an upper blade tip 26 is arranged between the upper edge 23 and the front edge 24; the upper blade tip 26 and the lower blade tip 25 are arc-shaped; the arc-shaped upper blade tip 26 and the arc-shaped lower blade tip 25 are beneficial to introducing air flow, increase the contact area with air and play a role in increasing the air pressure.
The blade 2 further comprises a windward side 27 and a leeward side 28; the windward side 27 and the leeward side 28 are circular arc surfaces.
Further, as shown in fig. 3, with the bottom view of the flow guide seat 1 as the view direction, the horizontal distance c1 between the connection point a of the root edge 21 and the lower edge 22 and the cross section 122 is 1.0mm to 2.0 mm; the connection point of the root edge 21 and the upper edge 23 is located at the connection point of the flow guide surface 121 and the connection surface 123.
Further, the c1 is 1.5 mm.
In this embodiment, by the size limitation of c1, not only the area of the air duct can be increased, but also the wind collecting effect is ensured; meanwhile, the connection point of the root edge 21 and the upper edge 23 is located at the connection position of the flow guide surface 121 and the connection surface 123, so that one part of the air flow entering the air duct of two adjacent blades 1 directly enters the flow guide surface 121 to collect the air, and the other part of the air flow enters the other flow guide surface 121 from the connection surface 123 and the section 122, thereby achieving the dual air collection effect.
Further, as shown in fig. 4, taking the top view of the flow guide seat 1 as the view direction, an included angle between a tangent line L1 of the root edge 21 and a tangent line L2 of the lower edge 22 is a1, and a1 is in a range of 50 ° to 70 °; an included angle between a tangent line L1 of the root edge 21 and a tangent line L3 of the upper edge 23 is a2, and a2 is 2a 1;
taking the front view of the guide seat 1 as a view direction, an included angle between a tangent line L3 of the upper edge 23 and the axis of the guide seat 1 is a3, and a3 ranges from 50 degrees to 70 degrees; an included angle between a tangent line L4 of the front edge 24 and the axis of the flow guide seat 1 is a4, and the range of a4 is 40-45 degrees; the lower edge 22 is arranged perpendicular to the axis of the deflector base 1.
Further, said a1 is 55 °; said a2 is 110 °; the a3 is 65 °.
In this embodiment, said a2 is 2a1, said a1 is 55 °; said a2 is 110 °; the blade 2 is shown to gradually reduce the included angle between the blade 2 and the guide base 1 from the upper edge 23 to the lower edge 22, so that the wind collecting and guiding functions of the blade 2 are improved.
In this embodiment, a3 is 65 °, that is, the upper edge 23 of the surface blade 1 extends upward out of the front end plane 11, so that the airflow is cut and guided before entering the air duct, and the wind collecting effect is further improved.
Further, the distance between two adjacent upper edges 23 gradually increases in the direction away from the root edge 21; the distance between two adjacent lower edges 22 gradually increases towards the direction far away from the blade root edge 21; the distance between two adjacent blades 2 is gradually increased along the direction from the upper edge 23 to the lower edge 22 of the blade root edge 21; through the arrangement of the structure, the airflow is compressed when the air is drained and collected, and the introduced airflow expands and accelerates to flow after entering the gradually enlarged air duct, thereby achieving the purposes of enhancing the air collecting and drainage effects and improving the air quantity,
further, the length of the upper edge 23 is 2 times the length of the lower edge 22; this structure is favorable to promoting the wind-collecting effect.
In the embodiment, the air duct is of a fall surface structure, so that the air collecting area is increased, the air guiding effect is improved, and the structure of the blades 1 is combined, so that the air collecting effect of the fan blades is greatly improved, and the air intake of the fan blades is improved by 60%.
In addition, in the embodiment, the fan blade in the prior art is composed of the bowl-shaped or hollow hemispherical guide seat and the blade of the spiral structure, and the fan blade of the structure is limited in the injection molding process due to the structural arrangement, and a sliding block is additionally arranged at the position of the blade of the mold, so that the size of the mold is increased, and the manufacturing cost of the mold and the production cost of the fan blade are increased;
therefore, in order to solve the above problems, the utility model changes the bowl-shaped or hollow hemispherical flow guide seat into a structure with a drop surface as the surface; and through integrating improvement and optimization to blade 2 and guide base 1 structure, not only promoted the collection wind effect and the intake of flabellum, need not additionally to increase the slider in blade 2 department on the mould moreover, can realize the holistic drawing of patterns of flabellum to reduce the holistic size of mould, greatly reduced the manufacturing cost of mould and flabellum.
Further, the number of the blades 2 is 5.
Furthermore, the outer diameter of the fan blade is 30 mm-100 mm.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the protective scope of the present patent claims.
Claims (9)
1. A novel motor radiating fan blade comprises a guide seat (1) and blades (2), and is characterized in that the guide seat (1) comprises a front end plane (11) and a plurality of guide parts (12) which are uniformly distributed on the outer side of the front end plane (11) by taking the axis of the guide seat (1) as a central circumference; the flow guide part (12) comprises a flow guide surface (121), and a section (122) and a connecting surface (123) which are respectively connected with the left side and the right side of the flow guide part (12) of the flow guide surface; the section (122) is a plane and is vertical to the excircle tangent of the front end plane (11); the connecting surface (123) is a plane and is perpendicular to the section (122);
the flow guide surface (121) is of an arc surface structure, one end of the flow guide surface, which is close to the front end plane (11), is connected with the front end plane (11), and the other end of the flow guide surface extends in the direction far away from the front end plane (11); the distance between the flow guide surface (121) and the axis of the flow guide seat (1) is gradually increased from the connecting surface (123) to the section (122);
the left side of the connecting surface (123) is connected with the right side of the flow guide surface (121); the right side of the connecting surface (123) is connected with the adjacent cross section (122);
the connecting surface (123) and the cross section (122) are arranged in parallel with the axis of the front end plane (11);
the blades (2) are circumferentially and uniformly distributed on the flow guide surface (121) by taking the axis of the flow guide seat (1) as a center; the guide surface (121) is arranged corresponding to the blade (2);
each blade (2) comprises a blade root edge (21) connected with the flow guide surface (121), a linear lower edge (22), an arc-shaped upper edge (23) and an arc-shaped front edge (24) which is positioned at the outer tail end of the blade (2) and is used for connecting the lower edge (22) with the upper edge (23); a lower blade tip (25) is arranged between the upper edge (23) and the lower edge (22); an upper blade tip (26) is arranged between the upper edge (23) and the front edge (24); the upper blade tip (26) and the lower blade tip (25) are arc-shaped;
the blade (2) further comprises a windward side (27) and a leeward side (28); the windward side (27) and the leeward side (28) are arc surfaces.
2. The novel motor heat dissipation fan blade of claim 1, wherein a horizontal distance c1 between a connection point a of the root edge (21) and the lower edge (22) and the cross section (122) is 1.0mm to 2.0mm, taking a bottom view of the flow guide seat (1) as a view direction; the connecting point of the root edge (21) and the upper edge (23) is positioned at the connecting position of the diversion surface (121) and the connecting surface (123).
3. The novel motor heat dissipation fan blade of claim 2, wherein c1 is 1.5. mm.
4. The novel motor heat dissipation fan blade of claim 1, wherein, taking a top view of the flow guiding seat (1) as a view direction, an included angle between a tangent L1 of the root edge (21) and a tangent L2 of the lower edge (22) is a1, and a1 ranges from 50 ° to 70 °; the included angle between the tangent L1 of the root edge (21) and the tangent L3 of the upper edge (23) is a2, and a2 is 2a 1;
taking the front view of the flow guide seat (1) as a view direction, wherein the included angle between the tangent line L3 of the upper edge (23) and the axis of the flow guide seat (1) is a3, and the range of a3 is 50-70 degrees; an included angle between a tangent line L4 of the front edge (24) and the axis of the flow guide seat (1) is a4, and the range of a4 is 40-45 degrees; the lower edge (22) is perpendicular to the axis of the flow guide seat (1).
5. The novel motor heat dissipation fan blade of claim 4, wherein a1 is 55 °; said a2 is 110 °; the a3 is 65 °.
6. The novel motor heat dissipation fan blade of claim 1, wherein the distance between two adjacent upper edges (23) gradually increases in a direction away from the root edge (21); the distance between two adjacent lower edges (22) is gradually increased towards the direction far away from the blade root edge (21); the distance between two adjacent blades (2) is gradually increased along the direction from the upper edge (23) to the lower edge (22) of the blade root edge (21).
7. The new type of motor heat dissipating fan blade as claimed in claim 1, wherein the length of the upper edge (23) is 2 times the length of the lower edge (22).
8. The new type of motor heat dissipating fan blade as claimed in claim 1, wherein the number of the blades (2) is 5.
9. The novel motor heat dissipation fan blade of claim 1, wherein the outer diameter of the fan blade is 30mm to 100 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122014706.1U CN215772835U (en) | 2021-08-25 | 2021-08-25 | Novel motor heat dissipation fan blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122014706.1U CN215772835U (en) | 2021-08-25 | 2021-08-25 | Novel motor heat dissipation fan blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215772835U true CN215772835U (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122014706.1U Active CN215772835U (en) | 2021-08-25 | 2021-08-25 | Novel motor heat dissipation fan blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215772835U (en) |
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2021
- 2021-08-25 CN CN202122014706.1U patent/CN215772835U/en active Active
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